(function () {
  var indent2em = (function () {
    'use strict';

    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
    var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');


    var doAct = function (editor) {
      var dom = editor.dom;
      var blocks = editor.selection.getSelectedBlocks();
      var act = '';
      var indent2em_val = editor.getParam('indent2em_val', '2em')
      global$1.each(blocks, function (block) {
        if (act == '') {
          act = dom.getStyle(block, 'text-indent') == indent2em_val ? 'remove' : 'add';
        }
        if (act == 'add') {
          dom.setStyle(block, 'text-indent', indent2em_val);
        } else {
          var style = dom.getAttrib(block, 'style');
          style = style.replace(/text-indent:[\s]*2em;/ig, '');
          dom.setAttrib(block, 'style', style);
        }

      });
    };

    var register = function (editor) {
      console.log(editor.ui.registry.getAll().icons)
      editor.ui.registry.getAll().icons.indent2em || editor.ui.registry.addIcon('indent2em', '<svg viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg" width="24" height="24"><path d="M170.666667 563.2v-102.4H887.466667v102.4zM170.666667 836.266667v-102.4H887.466667v102.4zM512 290.133333v-102.4H887.466667v102.4zM238.933333 341.333333V136.533333l204.8 102.4z" fill="#2c2c2c" p-id="5210"></path></svg>');
      editor.ui.registry.addButton('indent2em', {
        tooltip: '首行缩进',
        icon: 'indent2em',
        onAction: function () {
          doAct(editor);
        }
      });
      editor.ui.registry.addMenuItem('indent2em', {
        text: '首行缩进',
        icon: 'indent2em',
        onAction: function () {
          doAct(editor);
        }
      });
    };

    global.add('indent2em', function (editor) {
      register(editor)
    });

    function Plugin() {
    }

    return Plugin;

  }());
})();
